Colin Hackman is primarily recognized for his work as a voice actor in English-language dubs of anime films, with his career centered almost exclusively on the Urusei Yatsura franchise. His most prominent and defining role is providing the English voice for the character Megane, a member of Lum's Stormtroopers known for his pontificating manner and comedic outbursts. Hackman portrayed Megane across multiple films in the series, including Urusei Yatsura: Only You, Urusei Yatsura: Lum The Forever, and Urusei Yatsura: Always My Darling. In the 1991 film Urusei Yatsura 6: Always My Darling, his voice work extended beyond the lead角色 to include additional voices and a character identified simply as Leader.

Hackman's work was produced during AnimEigo's efforts to dub the Urusei Yatsura film series, with the dubbing typically handled by the studio Swirl. His performance as Megane in the film Urusei Yatsura: Remember My Love received specific notice from reviewers. One critical assessment noted incremental improvements in his portrayal, highlighting a better grasp of the character's distinctive pontificating voice and effective comedic timing in scenes requiring exaggerated emotional reactions. The same review also observed an instance where Hackman appeared to voice a younger version of Megane, using a noticeably high-pitched and squeaky delivery that was described as awkward. Beyond his work on Urusei Yatsura, no other significant anime voice roles, recurring artistic collaborations, or notable industry achievements are documented in available records. Information regarding any formal training, earlier career steps, or performances outside this specific franchise is not present in the available sources.